Win32/Qbot.CN

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Qbot.CN infection?

In this short article you will locate concerning the meaning of Win32/Qbot.CN and its negative impact on your computer. Such ransomware are a form of malware that is specified by on-line frauds to require paying the ransom by a target.

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Most of the situations, Win32/Qbot.CN virus will certainly instruct its targets to start funds move for the purpose of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s device.

Win32/Qbot.CN Summary

These modifications can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Presents an Authenticode digital signature;
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Possible date expiration check, exits too soon after checking local time;
  • A named pipe was used for inter-process communication;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Hungarian;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard disk drive — so the target can no more make use of the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Qbot.CN

The most regular channels where Win32/Qbot.CN Ransomware are infused are:

  • By means of phishing e-mails;
  • As an effect of individual ending up on a source that organizes a destructive software application;

As soon as the Trojan is effectively infused, it will either cipher the information on the target’s PC or avoid the device from functioning in a correct manner – while likewise positioning a ransom money note that discusses the requirement for the victims to effect the repayment for the function of decrypting the papers or restoring the file system back to the first problem. In a lot of instances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has currently been damaged.

Win32/Qbot.CN distribution networks.

In various edges of the world, Win32/Qbot.CN grows by leaps and bounds. However, the ransom notes and tricks of obtaining the ransom amount might differ depending on specific regional (local) setups. The ransom notes and also tricks of obtaining the ransom quantity may differ depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In specific areas, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s tool. The sharp after that demands the user to pay the ransom.

    Faulty statements about prohibited material.

    In countries where software piracy is much less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/Qbot.CN popup alert might wrongly assert to be stemming from a law enforcement institution as well as will report having situated kid porn or other unlawful data on the gadget.

    Win32/Qbot.CN popup alert might wrongly claim to be deriving from a legislation enforcement organization as well as will certainly report having situated child porn or other prohibited data on the device. The alert will similarly include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: E7B122C1
md5: ea9f2cf889cdd5e3172690e571de2f59
name: 238428.png
sha1: 06a0afb7c777dce41d99d7c7f08ae463fa07fd8c
sha256: 35b85458c2b654476280aef26c1bde35bbb7a48465a618ae589b9f2e6e305ea8
sha512: 4359dc0a2dfeb1ba8cad6c8c864bbe8e236ded6322c955353ebcae3924d18745e1c081a9cfa04df037681d66f5f977d499a03e63a33077bfced8d3519141f070
ssdeep: 6144:cgfRCEBsOYa5y3g0q+Z1Af61g8nC8StMkuNURdRoc0WKkm58:NJCEyOYsqLjACi8C8vJZkm58
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Qbot.CN also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.43994723
FireEyeGeneric.mg.ea9f2cf889cdd5e3
McAfeeArtemis!EA9F2CF889CD
VIPRETrojan.Win32.Generic!BT
SangforMalware
BitDefenderTrojan.GenericKD.43994723
Cybereasonmalicious.7c777d
TrendMicroTROJ_FRS.0NA103J620
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:DangerousSig [Trj]
KasperskyTrojan.Win32.Inject.anjvq
AlibabaTrojan:Win32/DangerousSig.e42d0b68
Ad-AwareTrojan.GenericKD.43994723
SophosMal/EncPk-APW
ComodoTrojWare.Win32.Agent.knmif@0
F-SecureHeuristic.HEUR/AGEN.1101566
InvinceaMal/EncPk-APW
McAfee-GW-EditionBehavesLike.Win32.Trojan.dz
EmsisoftMalCert.A (A)
IkarusBackdoor.QBot
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1101566
MicrosoftTrojan:Win32/Qakbot.AR!MTB
ArcabitTrojan.Generic.D29F4E63
ZoneAlarmTrojan.Win32.Inject.anjvq
GDataWin32.Trojan.PSE.1Y14EM7
CynetMalicious (score: 85)
ALYacTrojan.Agent.QakBot
MAXmalware (ai score=82)
MalwarebytesTrojan.Qbot
PandaTrj/Agent.PM
ESET-NOD32Win32/Qbot.CN
TrendMicro-HouseCallTROJ_FRS.0NA103J620
RisingTrojan.Generic@ML.87 (RDMK:0Nn9e5gca1K8ra0PbLBGDQ)
SentinelOneDFI – Suspicious PE
FortinetW32/Phobos.HGAF!tr.ransom
AVGWin32:DangerousSig [Trj]
Paloaltogeneric.ml
Qihoo-360Generic/HEUR/QVM20.1.63A7.Malware.Gen

How to remove Win32/Qbot.CN ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Qbot.CN files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Qbot.CN you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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